<template>
  <div>

    <el-container>
      <el-aside width="201px">
        <el-switch
          v-model="isCollapse"
          active-color="#ff4949"
          inactive-color="#13ce66">
        </el-switch>
        <el-menu default-active="1-4-1" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose" :collapse="isCollapse">
          <el-submenu index="1">
            <template slot="title">
              <i class="el-icon-location"></i>
              <span slot="title">讲师管理</span>
            </template>
            <el-menu-item-group>
              <span slot="title">分组一</span>
              <el-menu-item index="1-1">
                <router-link to="/teacherList">讲师管理</router-link>
              </el-menu-item>
              <el-menu-item index="1-2">选项2</el-menu-item>
            </el-menu-item-group>
            <el-menu-item-group title="分组2">
              <el-menu-item index="1-3">选项3</el-menu-item>
            </el-menu-item-group>
            <el-submenu index="1-4">
              <span slot="title">选项4</span>
              <el-menu-item index="1-4-1">选项1</el-menu-item>
            </el-submenu>
          </el-submenu>
          <el-menu-item index="2">
            <i class="el-icon-menu"></i>
            <span slot="title">导航二</span>
          </el-menu-item>
          <el-menu-item index="3" disabled>
            <i class="el-icon-document"></i>
            <span slot="title">导航三</span>
          </el-menu-item>
          <el-menu-item index="4">
            <i class="el-icon-setting"></i>
            <span slot="title">导航四</span>
          </el-menu-item>
          <el-submenu index="5">
            <template slot="title">
              <i class="el-icon-more"></i>
              <span slot="title">更多</span>
            </template>
              <span slot="tile">分组一</span>
              <el-menu-item index="5-1">
                <a class="button button-little bg-red" href="javascript:void(0)" @click="exit">
                  <span class="icon-power-off"></span>退出登录
                </a>
              </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>

      <el-main>
        <router-view />
      </el-main>
    </el-container>

  </div>
</template>

<script>
export default {
  name: "Aside",
  data() {
    return {
      isCollapse: true
    };
  },
  methods: {
    handleOpen(key, keyPath) {
      console.log(key, keyPath);
    },
    handleClose(key, keyPath) {
      console.log(key, keyPath);
    },
    exit() {
      sessionStorage.getItem("token");
      location.href="/";
    }
  }
}
</script>

<style scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 200px;
  min-height: 400px;
}
</style>
